Phillips 66 vs Marathon Petroleum
Side-by-side comparison of AI visibility scores, market position, and capabilities
Houston diversified energy (NYSE: PSX) at $145.5B 2024 revenue; Coastal Bend NGL acquisition $2.2B (2024), Rodeo renewable diesel/SAF complex, LA Refinery closed, Q4 2024 adjusted loss amid refining margin pressure vs Valero.
About
Phillips 66 is a Houston, Texas-based diversified energy manufacturing and logistics company — publicly traded on the New York Stock Exchange (NYSE: PSX) as an S&P 500 Energy component — operating 13 refineries with 2.2 million barrels-per-day capacity, midstream pipeline and NGL infrastructure, retail fuel brands, a chemicals joint venture, and a renewable fuels facility through approximately 14,000 employees. In fiscal year 2024, Phillips 66 generated $145.5 billion in revenue, though Q4 2024 earnings fell to $8 million versus $346 million in Q3 2024 (adjusted loss of $61 million) due to refining margin compression from the spread between crude oil input costs and refined product prices. Spun off from ConocoPhillips in May 2012, Phillips 66 operates through five segments: Refining (processing crude oil into gasoline, distillates, and aviation fuel), Midstream (crude and NGL pipelines, terminals, and natural gas processing including the 2024 $2.2 billion EPIC NGL acquisition renamed Coastal Bend), Marketing and Specialties (Phillips 66, Conoco, 76, and JET fuel brands at 7,000+ branded retail sites across North America and Europe), Chemicals (CPChem joint venture with Chevron Phillips Chemical producing ethylene, polyethylene, and aromatics), and Renewable Fuels (Rodeo Renewable Energy Complex producing renewable diesel and sustainable aviation fuel — SAF). In 2024, Phillips 66 divested its 65% stake in German and Austrian retail operations for $1.6 billion and announced closure of its Los Angeles Refinery.
Findlay OH petroleum refining (NYSE: MPC); largest US refiner 3M barrels/day, CEO Maryann Mannen elected Chairman (Jan 2026), MPLX midstream MLP, Martinez renewable diesel conversion competing with Valero and Phillips 66.
About
Marathon Petroleum Corporation is a Findlay, Ohio-based petroleum refining and midstream company — publicly traded on the New York Stock Exchange (NYSE: MPC) as an S&P 500 Energy component — operating the largest crude oil refining system in the United States with 13 refineries and approximately 3 million barrels per day of crude oil processing capacity across Texas, Louisiana, Illinois, Michigan, Ohio, North Dakota, California, and Washington, along with a majority ownership interest in MPLX LP (NYSE: MPLX), a midstream pipeline, terminal, and marine vessel MLP that gathers, processes, transports, and stores crude oil, natural gas, and petroleum products. In a defining leadership development, Marathon Petroleum's board elected CEO Maryann T. Mannen as Chairman of the Board effective January 1, 2026, succeeding Michael Hennigan who retired after leading the company through the Speedway divestiture and pandemic recovery — consolidating corporate governance leadership in Mannen following her tenure as CEO during which she managed the company's operations and capital allocation strategy. Marathon Petroleum's large-scale refining system (including the Galveston Bay refinery in Texas City as the largest US refinery at 631,000 barrels/day) processes crude oil into gasoline, diesel, jet fuel, and specialty products distributed through branded Speedway (sold to 7-Eleven in 2021) and independent dealer networks and MPLX's logistics infrastructure.
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